Filter element



FIG. 1 is a perspective view of a filter element according to the present invention;

FIG. 2 is a front view of the filter element of FIG. 1;

FIG. 3 is a back view of the filter element of FIG. 1;

FIG. 4 is a top view of the filter element of FIG. 1;

FIG. 5 is a bottom view of the filter element of FIG. 1;

FIG. 6 is a first side view of the filter element of FIG. 1; and,

FIG. 7 is a second side view of the filter element of FIG. 1.

The broken lines in the drawings depict portions of the filter element that form no part of the claimed design. 

CLAIM The ornamental design for a filter element, as shown and described. 